<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>并集选择器</title>
    <style>
        div, p, .pig li {
            color: pink;
        }
    </style>
</head>
<body>
<div>A</div>
<p>B</p>
<ul class="pig">
    <li>C</li>
    <li>D</li>
    <li>E</li>
</ul>
</body>
</html>